Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7383704 | Apparatus for deposition by flame hydrolysis An outside chemical vapor deposition apparatus is disclosed for depositing porous glass-forming material onto a target rod to form a cylindrical body, with substantially higher efficiency than could prior apparatus. The apparatus includes two separate burner arrays,... | 06/10/2008 |
| 7290408 | Apparatus for supporting a preform having a supporting core The invention relates to apparatus for supporting a preform manufactured in an installation for manufacturing or building up preforms having supporting cores, said installation including at least rotation means having a horizontal axis of rotation and two mounting p... | 11/06/2007 |
| 7249654 | Heat insulating acoustical structure and carbody shell structure using the same To obtain a wide passenger compartment space, the thickness of a heat insulating acoustical layer is reduced, and for this purpose, a comfortable in-car environment is obtained by using a vacuum insulating panel which combines high heat insulating performance and so... | 07/31/2007 |
| 7198247 | Mandrel for producing quartz glass and production method for optical fiber mother material, optical fiber and quartz glass body using the same A mandrel for producing a large quartz glass body, comprising at least two columnar or cylindrical, carbon fiber-reinforced carbon composite members and joined in series by screw thread parts, wherein preferably the contact surface of the screw thread parts of the m... | 04/03/2007 |
| 7159805 | Methods of modifying fibers Methods of modifying fibers, such as glass fibers, are disclosed. The modified fibers can be used, for example, in a lead acid battery. ... | 01/09/2007 |
| 7143612 | Method of manufacturing glass particulate sedimentary body, and method of manufacturing glass base material To provide a method for producing a glass particle deposit and a method for producing a glass preform, in which outer diameter variation of the glass particle deposit can be reduced to thereby improve quality. A flow rate of clean gas (CG) introduced into a containe... | 12/05/2006 |
| 7070131 | White pozzolan composition and blended cements containing same A white pozzolan derived from by-products of manufacturing vitreous low alkali, low iron glass fibers, and to the method for producing the white pozzolan. The invention relates as well to cement compositions based on the white pozzolan, such as white and pigmented b... | 07/04/2006 |
| 6978641 | Method for cutting glass rod and cutting device for use therein To provide a method and apparatus for parting a glass rod without causing a crack or rupture at a grasped root portion of the glass rod in parting the glass rod for producing a glass preform. The apparatus for parting the glass rod in a predetermined length b... | 12/27/2005 |
| 6945079 | Optical fiber drawing system for non-contact control of polarization mode dispersion of optical fiber Disclosed is a system for drawing an optical fiber for controlling polarization mode dispersion. A furnace is provided for uniformly heating an optical fiber preform in the drawing system mounted to an optical fiber draw tower. The furnace comprises: (a) a main body... | 09/20/2005 |
| 6789401 | Particle deposition system and method A deposition system for depositing a chemical vapor onto a workpiece, including a deposition chamber having a plurality of components for performing chemical vapor deposition on the workpiece. The deposition chamber includes an inner skin made of Hasteloy for sealin... | 09/14/2004 |
| 6659756 | System for preparing polymer encapsulated glass fiber pellets A process and apparatus for making densified glass fiber pellets substantially encapsulated in a polymeric shell from chopped segments of multi-filament glass strand is described. The densified pellets may be advantageously produced by hydrating chopped g... | 12/09/2003 |
| 6381990 | Draw furnace sealing assembly and method An apparatus and method for sealing the top of an optical waveguide draw furnace is disclosed. The apparatus includes an assembly constructed and arranged to removably cover the top of the draw furnace while mating with the downfeed handle. The apparatus ... | 05/07/2002 |
| 6330813 | Blower with orifice clearing member for lifting insulation pack Apparatus for manufacturing fibrous insulation includes a porous conveyor mounted for transporting fibrous material in a machine direction in the form of pack. A pack lift blower is positioned beneath the porous conveyor, in a direction transverse to the ... | 12/18/2001 |
| 6244075 | Blower for lifting insulation pack Apparatus for manufacturing fibrous insulation includes a porous conveyor mounted for transporting fibrous material in a machine direction in the form of pack. A pack lift blower is positioned beneath the porous conveyor, in a direction transverse to the ... | 06/12/2001 |
| 6196028 | Apparatus for controlling the sag of a preform in an installation The invention relates to apparatus for supporting a preform manufactured in an installation for manufacturing or building up preforms having supporting cores, said installation including at least rotation means having a horizontal axis of rotation and two... | 03/06/2001 |
| 6029477 | Systems and process for recycling glass fiber waste material into glass fiber product The present invention provides a system for producing glass fiber product from scrap glass fibers comprising at least one crusher having at least one pair of rotatable rollers which rotate at essentially the same speed, the rollers having intermeshing pro... | 02/29/2000 |
| 5931984 | Device for drawing down an optical fiber preform A device for drawing down an optical fiber preform (2) connected at one end to a feed rod (3) having an equal or smaller diameter. A chamber (11) in which the preform is drawn has an upper part (11A) with an opening (12). The opening engages the preform t... | 08/03/1999 |
| 5738702 | Apparatus for holding a hollow cylinder of silicon dioxide soot A hollow cylinder is held in a vertical orientation and sent continuously through a heating zone for sintering. In a first phase of the sintering operation, the hollow cylinder stands on a support while the upper end (12) of the cylinder is being sintered... | 04/14/1998 |
| 5656058 | Apparatus for inserting a core fiber into a partially molten cladding glass to form an optical fiber preform A method and apparatus are provided for forming a glass preform which can be directly drawn into a single or multi-mode optical fiber. Single or multi-mode fibers drawn from the preforms described herein have high quality core-clad interfaces since the co... | 08/12/1997 |
| 4650508 | Method and apparatus for changing bushings An apparatus for changing bushings in a glass melting furnace is disclosed. A support attached to the furnace holds the bushings beneath an opening in the forehearth. A replacement bushing is placed in the framework, translated next to the operating bushi... | 03/17/1987 |
| 4463048 | Manufacturing a laminated pack of mineral fibers and resulting product A method and apparatus for producing a laminated pack of mineral fibers comprising two sections, each having a forming conveyor, a plurality of sources of mineral fibers positioned to successively deposit the fibers onto the forming conveyor to form a lay... | 07/31/1984 |
| 4221680 | Treatment of substances A process and apparatus are disclosed for the treatment of a substance contained in a solution or a slurry. The solution or slurry can be treated to give a fusible dried product by use of microwave radiation. The fusible dried product can be heated and fused b... | 09/09/1980 |
